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Accumulation of fumonisins, beauvericin and fusaproliferin in maize hybrids inoculated under field conditions with Fusarium proliferatum

Published online by Cambridge University Press:  13 November 2002

Michelangelo PASCALE ,
Angelo VISCONTI ,
Maria PRONCZUK ,
Halina WISNIEWSKA  and
Jerzy CHELKOWSKI
Michelangelo PASCALE
Affiliation:
Institute of Sciences of Food Protection/CNR, Viale L. Einaudi 51, I-70125 Bari, Italy
Angelo VISCONTI
Affiliation:
Institute of Sciences of Food Protection/CNR, Viale L. Einaudi 51, I-70125 Bari, Italy
Maria PRONCZUK
Affiliation:
Institute of Plant Breeding and Acclimatisation, Radzikow, PL-05-870, Blonie, Poland
Halina WISNIEWSKA
Affiliation:
Institute of Plant Genetics, Polish Academy of Sciences, Strzeszynska 34, PL-60-479 Poznan, Poland
Jerzy CHELKOWSKI
Affiliation:
Institute of Plant Genetics, Polish Academy of Sciences, Strzeszynska 34, PL-60-479 Poznan, Poland
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Abstract

The ear rot severity of 15 maize hybrids and the accumulation of fumonisin B1 (FB1), fumonisin B2 (FB2), beauvericin (BEA) and fusaproliferin (FP) after artificial inoculation in the field with a toxigenic strain of Fusarium proliferatum has been investigated in Poland during the seasons 1996, 1997 and 1999. The year of inoculation proved a significant influence on ear infection degree and mycotoxin accumulation. Inoculated ears contained 11–71% Fusarium-damaged kernels. Mycotoxins were detected in all hybrids at levels of 18–231.9 μg g−1 for FB1, 0.4–26.5 μg g−1 for FB2, 0.2–19.6 μg g−1 for BEA and 0.3–6.4 μg g−1 for FP. Mycotoxin concentrations were higher in Fusarium-damaged kernels (up to 361.5, 41.1, 44.3 and 10.0 μg g−1 for FB1, FB2, BEA and FP, respectively) than in healthy-looking kernels (up to 26.0, 2.3, 1.9, 0.3 μg g−1 for FB1, FB2, BEA and FP, respectively). All hybrids showed high susceptibility to the fungal infection and high toxin content in kernels during the three years of investigation.

Type
Research Article
Information
Mycological Research , Volume 106 , Issue 9 , September 2002 , pp. 1026 - 1030
Copyright
© The British Mycological Society 2002

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Footnotes

Paper presented at the British Mycological Society symposium on Fungal Bioactive Compounds, held at the University of Wales Swansea on 22–27 April 2001.